build: deprecate shell buildscript

Let the Rakefile handle builds for Ruby integration environment, and
everything else (goreleaser, homebrew) should be already just passing
the needed arguments.

.github/workflows/test-integration.yml

@@ -42,13 +42,13 @@ jobs:
           key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
           restore-keys: |
             ${{ runner.os }}-go-
-      - name: Build binary
-        run: script/build
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: '2.7'
           bundler-cache: true
+      - name: Build binary
+        run: rake build
       - name: Install ZSH on ubuntu
         if: matrix.os == 'ubuntu-latest'
         run: sudo apt-get -y install zsh

Rakefile

@@ -1,19 +1,11 @@
 require 'rake/clean'
+CLEAN.include FileList.new("tmp/*") # aruba's default tmp directory is local
 
-# aruba's default tmp directory is local
-CLEAN.include FileList.new("tmp/*")
-
-# runs the generate script, which will bootstrap anything it needs in script
-desc "generates bindata files"
-task :generate do
-  sh "go generate ./..."
-end
-
-# the unix build script does not force `generate` as prereq, but the task here
-# does since we want to always make sure to be up to date with any changes made
 desc "builds the binary"
-task :build => :generate do
-  sh "script/build"
+task :build do
+  # note starting in go1.18 this information will be available via go version -m
+  version = `git describe --tags HEAD`
+  sh "go", "build", "-o", "bin/scmpuff", "-ldflags", "-X main.VERSION=#{version}"
 end
 
 desc "builds & installs the binary to $GOPATH/bin"

main.go

@@ -17,7 +17,7 @@ var NAME = "scmpuff"
 
 // VERSION is the default version of the program
 // ...in almost all cases this should be overriden by the buildscript.
-var VERSION = "0.?.? (not using buildscript)"
+var VERSION = "0.0.0-development"
 
 var puffCmd = &cobra.Command{
 	Use:   "scmpuff",